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Hand-held device with lamp for displaying playtime for storage mediumRelated Patent Categories: Television Signal Processing For Dynamic Recording Or Reproducing, Processing Of Television Signal For Dynamic Recording Or ReproducingHand-held device with lamp for displaying playtime for storage medium description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20060171663, Hand-held device with lamp for displaying playtime for storage medium. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] The present invention relates to a hand-held device, and more particularly to a hand-held device with a lamp for displaying the period for playing a storage medium. BACKGROUND OF THE INVENTION [0002] There are more and more electronic devices available in the market, such as the PDA (Personal Digital Assistant), the MP3 player, the portable storage medium playing device (e.g. the DVD player), etc. However, there are still some defects on these electronic devices. [0003] Please refer to FIG. 1, which is a schematic diagram showing the structure of a portable storage medium playing device in the prior art. The playing device 1 includes a reading device 11, a plurality of keys 12 and a screen 13. The storage medium could be played after the user put it into the reading device 11, and the content thereof would be displayed on the screen 13. During the playing of the storage medium, if the user wants to know its playtime or remaining time, he has to operate the keys 12 to make the playtime or remaining time shown on the screen 13. This causes a nuisance for the user. [0004] From the above description, it is known that how to develop a hand-held device with the function of automatically displaying the period for playing the storage medium has become a major problem to be solved. In order to overcome the drawbacks in the prior art, a hand-held device with a lamp for displaying the period for playing the storage medium is provided. The particular design in the present invention not only solves the problems described above, but also is easy to be implemented. Thus, the invention has the utility for the industry. SUMMARY OF THE INVENTION [0005] In accordance with one aspect of the present invention, a hand-held device with a lamp for displaying the period for playing a storage medium is provided. The lamp is divided into a plurality of sections. In this way, the user could know the remaining time for the storage medium by observing which section is currently twinkling. [0006] In accordance with another aspect of the present invention, a hand-held device is provided. The hand-held device is used for playing a storage medium and has an indication apparatus. The indication apparatus is divided into a plurality of sections, and one of the sections is driven to twinkle according to a specific period having elapsed for playing the storage medium. [0007] Preferably, the hand-held device is a portable storage medium playing device. [0008] Preferably, the portable storage medium playing device is a DVD player. [0009] Preferably, the storage medium is a DVD. [0010] Preferably, the indication device is divided into the plurality of uniform sections. [0011] Preferably, the indication apparatus is a lamp. [0012] Preferably, the total period for playing the storage medium is T, the indication apparatus is divided into n sections, the specific period having elapsed for playing the storage medium is t, and an m.sup.th section is currently twinkling, then the following formula is observed: (m-1)*T/n.ltoreq.t<T*m/n, wherein * denotes multiplication sign and / denotes division sign. [0013] In accordance with a further aspect of the present invention, a hand-held device is provided. The hand-held device includes a reading device for reading a storage medium; a microprocessor electrically connected to the reading device for detecting a specific period having elapsed for playing the storage medium; a memory electrically connected to the microprocessor for being accessed by the microprocessor; and an indication apparatus electrically connected to the microprocessor and divided into a plurality of sections for displaying the specific period for playing the storage medium. [0014] Preferably, the reading device is electrically connected to the microprocessor via a first I/O pin. [0015] Preferably, the microprocessor is electrically connected to the indication apparatus via a second I/O pin. [0016] Preferably, wherein one of the sections is driven to twinkle in response to the specific period for playing the storage medium. [0017] In accordance with further another aspect of the present invention, a driving method is provided. The driving method is used in a hand-held device including an indication apparatus divided into a first number of sections, comprising the steps of (a) reading and playing a storage medium; (b) detecting a total period for playing the storage medium and dividing the total period into the first number of parts; (c) driving a specific section of the indication apparatus to winkle; (d) detecting at specific intervals, a specific period having elapsed for playing the storage medium; (e) driving another section of the indication apparatus to twinkle according to the specific period having elapsed for playing the storage medium; and (f) repeating the step (d) and the step (e) until the specific period equals the total period. [0018] Preferably, the hand-held device further comprises a reading device for reading the storage medium. [0019] Preferably, the specific interval is a ratio of the total period for playing the storage medium to a quantity of the plurality of sections. [0020] Preferably, the total period for playing the storage medium is T, the specific period having elapsed for playing the storage medium is t, and an m.sup.th section is currently twinkling, the following formula is observed: (m-1)*T/n.ltoreq.t<T*m/n, wherein * denotes multiplication sign and / denotes division sign. [0021] In accordance with further another aspect of the present invention, a driving method is provided. The driving method is used in a hand-held device including an indication apparatus divided into a plurality of sections, comprising the steps of (a) playing a storage medium in the hand-held device; (b) driving a specific section of the indication apparatus to twinkle; (c) driving another section of the indication apparatus to twinkle according to a specific period having elapsed for playing the storage medium and (d) repeating the step (c) until the completion of playing of the storage medium. 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